Stamping die for plate with reinforcing ribs

Abstract

The utility model relates to a stamping die for plates with reinforcing ribs, which comprises an upper die holder, a lower die plate and a bending component, and an upper die plug and a driving upper die plate are arranged on the upper die holder; the lower die plate comprises a lower die plate fixed block and a lower die plate movable block, the lower die plate fixed block is installed on the lower supporting plate, the lower die plate movable block is connected with the lower die plate fixed block in a sliding mode, and the upper die plug is matched with the position of the lower die plate movable block. The bending assembly comprises a limiting fixing piece and a sliding piece, the limiting fixing piece is fixed to the lower die base, one side of the sliding piece is directionally and slidably connected with the limiting fixing piece, and the other side of the sliding piece is movably connected with a lower die plate movable block; a guide arc matched with the driving upper die plate is arranged on the side, away from the lower die plate, of the sliding piece. Compared with the prior art, the plate bending device has the advantages of being high in plate workpiece positioning and bending accuracy, high in machining efficiency and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch mould field especially a kind of plate stamping die with reinforcing rib. BACKGROUND

[0002] In order to meet the structural strength requirement of air conditioner backboard, reinforcing rib needs to be set on backboard, so that the performance of backboard meets the requirement, and in the process of stamping forming, considering the structural characteristics of backboard, reinforcing rib pressing is often carried out first, and then bending processing is carried out at the corner position of backboard.

[0003] However, for backboard with complex reinforcing rib structure, it is difficult to directly form by using separate lower die plate, and the processing of complex die also leads to high cost, so multiple die plates are generally spliced to position the parts to be processed, and the subsequent corners are bent, but after corner bending of the reinforcing rib structure, the product is prone to be clamped on the lower die plate, which is not convenient for demolding, and reduces the production efficiency of product.

[0004] Therefore, it is necessary to provide a stamping die for plate with reinforcing rib, which can ensure accurate positioning and facilitate demolding of formed product. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the defects of the prior art that the lower die plate with splicing structure is often fixed to ensure processing accuracy, but the plate with edge curling structure is not easy to demold after edge curling, and the production efficiency of product is reduced, and provides a stamping die for plate with reinforcing rib.

[0006] The purpose of the utility model can be achieved by the following technical solutions.

[0007] A stamping die for plate with reinforcing rib, comprising an upper die seat, a lower die plate and a bending assembly, the upper die seat is provided with an upper die plug and a driving upper die plate;

[0008] The lower die plate comprises a lower die plate fixed block and a lower die plate movable block, the lower die plate fixed block is installed on the lower supporting plate, the lower die plate movable block is slidably connected to the lower die plate fixed block, and the position of the upper die plug is matched with that of the lower die plate movable block;

[0009] The bending assembly comprises a limiting fixing part and a sliding part, the limiting fixing part is fixed on the lower die seat, one side of the sliding part is slidably connected to the limiting fixing part, and the other side is movably connected to the lower die plate movable block; The side of the sliding part away from the lower die plate is provided with a guide circular arc matched with the driving upper die plate.

[0010] Preferably, the lower die plate movable block is provided with a trapezoidal guide block, the lower die plate fixed block is provided with a trapezoidal guide slot matched with the trapezoidal guide block in shape, and the bottom of the trapezoidal guide slot is inclined to the side away from the lower die plate movable block.

[0011] Preferably, the angle range of the bottom of the trapezoidal guide slot inclined to the side away from the lower die plate movable block is 68-72 degrees.

[0012] Preferably, the bottom of the trapezoidal guide slot is provided with a positioning slot, and the trapezoidal guide block is provided with a positioning end matched with the positioning slot.

[0013] Preferably, the lower die plate fixed block and the lower die plate movable block are both provided with a positioning structure matched with the plate reinforcing rib structure.

[0014] Preferably, the side of the sliding piece close to the lower die plate movable block is provided with a spring hole, and a return spring is arranged in the spring hole, and the end of the return spring away from the sliding piece abuts against the lower stripper plate.

[0015] Preferably, the sliding piece is provided with a plurality of spring holes, and each sliding piece is distributed at equal intervals.

[0016] Preferably, the limiting fixing piece comprises a first fixed block and a second fixed block, the first fixed block is provided with a mounting hole, the sliding piece is located on the second fixed block, a guide rod is arranged in the mounting hole, the side of the sliding piece close to the first fixed block is provided with a guide hole, and the guide rod is inserted in the guide hole.

[0017] Preferably, the first fixed block is provided with a plurality of mounting holes, and the center axes of each mounting hole are located in the same horizontal plane.

[0018] Preferably, the bending assembly further comprises a limiting piece, and the two sides of the sliding piece are provided with limiting steps, and the limiting piece is provided with limiting grooves matched with the limiting steps.

[0019] Compared with the prior art, the utility model has the following advantages:

[0020] (1) the workpiece to be bent is placed on the lower die plate, and the recess matched with the workpiece reinforcing rib structure on the lower die plate fixed block of the lower die plate is used for positioning; the upper die seat moves towards the lower die plate, the upper die plug contacts the corner of the workpiece to be bent, drives the upper die plate to contact the guide arc on the sliding piece, makes the sliding piece directional away from the limiting fixing piece, and drives the lower die plate movable block to move, and the workpiece alternating bending is completed through the lower die plate movable block cooperating with the upper die plug, and then the upper die seat resets, the workpiece will not be clamped on the lower die plate, and the worker drives the workpiece.

[0021] By splitting the lower die plate into a lower die plate fixed block and a lower die plate movable block, the positioning accuracy before workpiece machining is ensured by the lower die plate fixed block; and the lower die plate movable block is driven to move by the upper die plate cooperating with the bending assembly, and the workpiece is bent by cooperating with the upper die pin. The edges and corners of the workpiece are bent by moving the lower die plate movable block, avoiding the situation that the workpiece is clamped on the lower die plate by downward bending, the bending is accurate and the workpiece is easy to demold, the workpiece bending efficiency is improved under the premise of ensuring the machining precision.

[0022] (2) The reset spring is arranged between the sliding piece and the lower die plate movable block, the reset spring is compressed during the process that the sliding piece approaches the lower die plate movable block to bend the plate, the upper die seat is reset after the plate bending is completed, the sliding piece and the lower die plate movable block are reset by the compression spring, and the workpiece is assisted to demold, which is convenient for demolding and placing of the workpiece for the next time, reduces the work amount of personnel, and further improves the workpiece bending efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A structure schematic view of the bending part of the stamping die is provided in the utility model.

[0024] Figure 2 A structure schematic view of part of the lower die plate is provided in the utility model.

[0025] Figure 3 A structure schematic view of the sliding piece is provided in the utility model.

[0026] Figure 4 A structure schematic view of the first fixed block is provided in the utility model.

[0027] Figure 5 A structure schematic view of the workpiece is provided in the utility model.

[0028] In the drawing: 1, lower die plate, 2, bending assembly, 3, workpiece, 11, lower die plate fixed block, 12, lower die plate movable block, 111, trapezoidal guide groove, 112, positioning notch, 121, trapezoidal guide block, 122, positioning end, 21, limiting fixing piece, 22, sliding piece, 23, guide arc, 24, limiting piece, 211, first fixed block, 212, second fixed block, 221, spring hole. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0031] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0032] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0033] It should be noted that the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0035] Example 1

[0036] As shown in Figure 1 and Figure 5 The present embodiment provides a stamping die with a reinforcing rib plate, which comprises an upper die seat, a lower die plate 1 and a bending assembly 2, the upper die seat is provided with an upper die plug and a driving upper die plate;

[0037] The lower die plate 1 comprises a lower die plate fixed block 11 and a lower die plate movable block 12, the lower die plate fixed block 11 is installed on the lower supporting plate, the lower die plate movable block 12 is slidably connected to the lower die plate fixed block 11, the position of the upper die plug is matched with that of the lower die plate movable block 12;

[0038] The bending assembly 2 comprises a limiting fixing member 21 fixed on the lower die seat 3 and a sliding member 22, one side of which is slidably connected to the limiting fixing member 21, and the other side of which is movably connected to the lower die plate movable block 12; the side of the sliding member 22 away from the lower die plate 1 is provided with a guide circular arc 23 matched with the driving upper die plate.

[0039] Working principle: the workpiece to be bent is placed on the lower die plate 1, and is positioned by the groove on the lower die plate fixing block 11 of the lower die plate 1 matched with the reinforcing rib structure of the workpiece; the upper die seat moves towards the lower die plate 1, the upper die plug contacts the corner of the workpiece to be bent, drives the upper die plate to contact the guide circular arc 23 on the sliding member 22, so that the sliding member 22 is oriented away from the limiting fixing member 21, and drives the lower die plate movable block 12 to move, and the workpiece is alternately bent by the lower die plate movable block 12 cooperating with the upper die plug, and then the upper die seat is reset, so that the workpiece will not be clamped on the lower die plate 1, and the worker drives the workpiece.

[0040] By splitting the lower die plate 1 into the lower die plate fixing block 11 and the lower die plate movable block 12, the positioning accuracy before workpiece processing is ensured by the lower die plate fixing block 11; and the lower die plate movable block 12 is driven to move by the driving upper die plate cooperating with the bending assembly 2, and the workpiece is bent by cooperating with the upper die plug. The corner of the workpiece is bent by moving the lower die plate movable block 12, avoiding the situation that the workpiece is clamped on the lower die plate by downward bending, and the bending is accurate and the workpiece is easy to demold, thereby improving the bending efficiency of the workpiece under the premise of ensuring the processing precision.

[0041] As shown in the preferred embodiment, Figure 2 As shown in the preferred embodiment, the lower die plate movable block 12 is provided with a trapezoidal guide block 121, and the lower die plate fixing block 11 is provided with a trapezoidal guide groove 111 matched in shape with the trapezoidal guide block 121, the groove bottom of the trapezoidal guide groove 111 is inclined to the side away from the lower die plate movable block 12, and the trapezoidal guide block 121 is slidably fixed in the trapezoidal guide groove 111.

[0042] The inclination angle of the groove bottom of the trapezoidal guide groove 111 to the side away from the lower die plate movable block 12 is preferably 68-72 degrees. The inclination angle of the groove bottom is preferably 70 degrees.

[0043] Further, the groove bottom of the trapezoidal guide groove 111 is provided with a positioning slot 112, and the trapezoidal guide block 121 is provided with a positioning end 122 matched with the positioning slot 112.

[0044] The guiding block of the trapezoidal structure cooperates with the guiding groove of the trapezoidal structure, the lower die plate movable block 12 is clamped on the lower die plate fixed block 11, the relative position of the lower die plate movable block 12 in the moving process is ensured, meanwhile, the corresponding positioning slot 112 and the positioning end 122 are arranged on the guiding block and the guiding groove, which facilitates the installation between the lower die plate movable block 12 and the lower die plate fixed block 11, the inclined groove bottom structure enables the movable block to move obliquely, and the plate edge corner is bent, and the moving track facilitates the subsequent workpiece demolding.

[0045] Moreover, the lower die plate fixed block 11 and the lower die plate movable block 12 are both provided with the positioning structure matched with the plate reinforcing rib structure.

[0046] By arranging the matched positioning structure on the lower die plate fixed block 11, the positioning accuracy of the workpiece 3 before bending is ensured, and by arranging the positioning structure on the lower die plate movable block 12, the relative position between the lower die plate movable block 12 and the lower die plate movable block 12 in the moving process, i.e. in the workpiece 3 bending process, is ensured, thereby ensuring the accuracy of workpiece bending.

[0047] As shown in the preferred embodiment, Figure 3 The side of the sliding piece 22 close to the lower die plate movable block 12 is provided with a spring hole 221, a reset spring is arranged in the spring hole 221, and the end of the reset spring away from the sliding piece 22 abuts against the lower stripper plate.

[0048] The sliding piece 22 is provided with a plurality of spring holes 221, and each sliding piece 22 is distributed at equal intervals.

[0049] The reset spring is arranged between the sliding piece and the lower die plate movable block, the reset spring is compressed in the process that the sliding piece close to the lower die plate movable block bends the plate, the sliding piece and the lower die plate movable block are reset by the compressed reset spring after the plate bending is completed, and the workpiece is assisted in demolding, which facilitates demolding and facilitates the placement of the workpiece for the next bending, reduces the workload of personnel, and further improves the workpiece bending efficiency.

[0050] As shown in the preferred embodiment, Figure 1 and 4 The limiting fixing piece 21 includes a first fixed block 211 and a second fixed block 212, the first fixed block 211 is provided with a mounting hole, the sliding piece 22 is located on the second fixed block 212, a guide rod is arranged in the mounting hole, and the side of the sliding piece 22 close to the first fixed block 211 is provided with a guide hole, and the guide rod is inserted into the guide hole.

[0051] The first fixed block 211 is provided with a plurality of mounting holes, and the center axes of the mounting holes are located in the same horizontal plane. Preferably, two mounting holes in the same horizontal plane.

[0052] The guide shaft arranged in the mounting hole cooperates with the guide hole arranged on the sliding piece, so that the sliding piece can move along the predetermined direction, two sliding pieces are arranged in the same horizontal plane, the horizontal degree of the sliding piece is guaranteed, the horizontal degree of the workpiece 3 is improved, the accuracy of moving the movable block 12 of the lower die plate is improved, and the bending accuracy is improved.

[0053] Further, the bending assembly 2 further comprises a limiting piece 24, the two sides of the sliding piece 22 are provided with limiting steps, and the limiting piece 24 is provided with a limiting groove matched with the limiting steps.

[0054] The limiting steps on the two sides of the sliding piece 22 cooperate with the limiting groove arranged at the lower end of the limiting piece 24 to limit the freedom degree of the sliding piece 22 in the moving direction, so that the reliability of the sliding piece 22 is guaranteed.

[0055] The above describes the preferred embodiments of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A stamping die with a reinforcing rib plate, characterized in that, It includes an upper mold base, a lower template (1) and a bending assembly (2), wherein the upper mold base is provided with an upper mold plug and a drive upper template; The lower template (1) includes a lower template fixing block (11) and a lower template movable block (12). The lower template fixing block (11) is installed on the lower support plate. The lower template movable block (12) is slidably connected to the lower template fixing block (11). The upper mold plug is positioned to match the lower template movable block (12). The bending assembly (2) includes a limiting and fixing member (21) and a sliding member (22). The limiting and fixing member (21) is fixed on the lower mold base (3). One side of the sliding member (22) is slidably connected to the limiting and fixing member (21), and the other side is movably connected to the lower template movable block (12). The side of the sliding member (22) away from the lower template (1) is provided with a guide arc (23) that cooperates with the driving upper template.

2. A stamping die with a reinforcing rib plate according to claim 1, characterized in that, The lower template movable block (12) is provided with a trapezoidal guide block (121), and the lower template fixed block (11) is provided with a trapezoidal guide groove (111) that matches the shape of the trapezoidal guide block (121). The bottom of the trapezoidal guide groove (111) is inclined to the side away from the lower template movable block (12), and the trapezoidal guide block (121) can be slidably fixed in the trapezoidal guide groove (111).

3. A stamping die with a reinforcing rib plate according to claim 2, characterized in that, The bottom of the trapezoidal guide groove (111) is inclined at an angle ranging from 68 to 72 degrees toward the side away from the lower template movable block (12).

4. A stamping die with a reinforcing rib plate according to claim 2, characterized in that, The bottom of the trapezoidal guide groove (111) is provided with a positioning slot (112), and the trapezoidal guide block (121) is provided with a positioning end (122) that cooperates with the positioning slot (112).

5. A stamping die with a reinforcing rib plate according to claim 2, characterized in that, Both the lower template fixing block (11) and the lower template movable block (12) are provided with positioning structures that cooperate with the plate reinforcing rib structure.

6. A stamping die with a reinforcing rib plate according to claim 1, characterized in that, The sliding member (22) has a spring hole (221) on the side near the lower template movable block (12). A reset spring is provided in the spring hole (221), and the end of the reset spring away from the sliding member (22) abuts against the lower release plate.

7. A stamping die with a reinforcing rib plate according to claim 6, characterized in that, The slider (22) is provided with multiple spring holes (221), and each slider (22) is distributed at equal intervals.

8. A stamping die with a reinforcing rib plate according to claim 1, characterized in that, The limiting and fixing component (21) includes a first fixing block (211) and a second fixing block (212). The first fixing block (211) is provided with a mounting hole. The sliding component (22) is located on the second fixing block (212). A guide rod is provided in the mounting hole. The sliding component (22) is provided with a guide hole on the side near the first fixing block (211). The guide rod is inserted into the guide hole.

9. A stamping die with a reinforcing rib plate according to claim 8, characterized in that, The first fixing block (211) is provided with multiple mounting holes, and the central axis of each mounting hole is located in the same horizontal plane.

10. A stamping die with a reinforcing rib plate according to claim 1, characterized in that, The bending assembly (2) also includes a limiting member (24), and the sliding member (22) has limiting steps on both sides, and the limiting member (24) has a limiting groove that cooperates with the limiting steps.

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